EOSC Unit 4 Exam Questions and Answers All Correct
3 views 0 purchase
Module
EOSC
Institution
EOSC
EOSC Unit 4 Exam Questions and Answers All Correct
Why do Birds Migrate? - Answer- To exploit habitats inaccessible to others
How Have Penguins Adapted to Their Environment? - Answer- -Wings are flippers
-Streamlined body and beak
-Dense bones
-Counter shading
-Eyes adapted for underwater ...
eosc unit 4 exam questions and answers all correct
Written for
EOSC
EOSC
Seller
Follow
Scholarsstudyguide
Reviews received
Content preview
EOSC Unit 4 Exam Questions and
Answers All Correct
Why do Birds Migrate? - Answer- To exploit habitats inaccessible to others
How Have Penguins Adapted to Their Environment? - Answer- -Wings are flippers
-Streamlined body and beak
-Dense bones
-Counter shading
-Eyes adapted for underwater vision
-Fat & air trapped under feathers
-Eat krill, fish, squid
-Travel inland to mate in Antarctic water
-Eggs don't hatch until summer
-Males incubate with feet
Characteristics of Mammals - Answer- -Endotherms: live in many environments, makes
them efficient
-Hair
-Viviparous (exceptions)
-Mammary glands: milk producing
-Three ear bones
How do Marine Mammals Stay Warm? - Answer- -Extremely dense hair that traps air
-Blubber
Prototherians (Monotremes) - Answer- -Platypus, Echidna
-Oviparous
-Temperature varies more than most
-Pelvic girdle: reptilian posture
-Lactation onto hair for young
Metatherian (Marsupials) - Answer- -Tiny, poorly developed embryo
-Females have pouch protection with multiple nipples
-Can have 3 offspring simultaneously(embryo, pouch, out of pouch)
-Through convergent evolution, some of them resemble different mammals that occupy
similar roles
Eutherian (Placental Mammals) - Answer- -Embryos nourished in utero by placenta
-Gestation: nourishing young in embryo
-Shortest gestation: bandicoot, 12 days
, -Longest gestation: Elephant, 22 months
What is Embryonic Diapause? Why is it advantageous? - Answer- -When the female
delays birth until the conditions are optimal
-Allows for more advantageous birth time and conditions
Locomotion - Answer- Climb, swim, walk, fly, hop
Apneustic Breathing - Answer- -For marine divers to dive
-High levels of Myoglobin & Hemoglobin
-Exhale before diving for negative buoyancy
-Restrict circulation to just vital organs to preserve O2
-Heart BPM goes down to single digits
Mammal Adaptations for Marine Environment - Answer- -Fusiform body
-Fins/flippers
-Warmth:blubber, hair
-Diving: lungs, muscles, heart rate, circulatory system
Why do Birds Migrate? - Answer- To exploit habitats inaccessible to others
How Have Penguins Adapted to Their Environment? - Answer- -Wings are flippers
-Streamlined body and beak
-Dense bones
-Counter shading
-Eyes adapted for underwater vision
-Fat & air trapped under feathers
-Eat krill, fish, squid
-Travel inland to mate in Antarctic water
-Eggs don't hatch until summer
-Males incubate with feet
Characteristics of Mammals - Answer- -Endotherms: live in many environments, makes
them efficient
-Hair
-Viviparous (exceptions)
-Mammary glands: milk producing
-Three ear bones
How do Marine Mammals Stay Warm? - Answer- -Extremely dense hair that traps air
-Blubber
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.22. You're not tied to anything after your purchase.
